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Soil-free culture system with closed ecological tank and application thereof

A technology for soilless cultivation and ecological trough, which is applied in the field of closed ecological trough soilless cultivation system, can solve the problems of soil pollution, difficulty in making full use of water, and unfavorable large-scale promotion of soilless cultivation. Wide-ranging and easy-to-use effects

Active Publication Date: 2015-08-19
北京市农林科学院蔬菜研究中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water in the open culture mode is easy to evaporate, which is not easy to make full use of water. The culture solution discharged into the environment will also pollute the soil, and peat is a non-renewable resource, which is not conducive to the large-scale promotion of soilless cultivation.

Method used

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  • Soil-free culture system with closed ecological tank and application thereof
  • Soil-free culture system with closed ecological tank and application thereof
  • Soil-free culture system with closed ecological tank and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0041] This embodiment relates to a closed ecological tank soilless cultivation system, which includes two parts: a cultivation system and a water circulation system. The cultivation system is as follows: figure 1 As shown, it comprises a three-dimensional trapezoidal cultivation tank 1 of the high foot type, supports a high foot 2, a porous partition 6 arranged successively from bottom to top in the cultivation groove, a porous material (not shown) that plays a filtering role, and a cultivation tank. Substrate 4 and a cover plate 5 with a planting hole, the cover plate completely covers the opening of the cultivation tank, and the lower surface of the cultivation tank is provided with a downwardly protruding cylindrical drainage outlet 3;

[0042] Described water circulation system comprises supplying nutrient solution pond 13, water pump 14 (as image 3 shown), a water supply main pipe 9, a water supply branch pipe 10, a water supply capillary hose 11, a return water branch ...

experiment example 1

[0049] Closed ecological groove cultivation tomato

[0050]Experimental design: There are two treatments of total closed circulation matrix groove culture and traditional "M" drip irrigation soil culture under film, and each treatment is repeated three times.

[0051] "M" drip irrigation cultivation under film film before planting, combined with site preparation, general application of high-quality decomposed organic fertilizer 4000-5000 kg per mu, 50 kg of compound fertilizer, deep plowing 20 cm,

[0052] Make a furrow after leveling the land, the height of the furrow is 15cm, the width of the furrow is 70cm, and the width of the furrow is 50cm. The daily management of fertilizer and water is in accordance with the technical specifications for spring tomato cultivation in energy-saving solar greenhouses (Liu Mingchi, Chen Diankui. Technical specifications for spring tomato cultivation in energy-saving solar greenhouses. Vegetable World, 1997(10):39-40), and the water consumpt...

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Abstract

The invention relates to a soil-free culture system with a closed ecological tank. The soil-free culture system comprises a culture system and a water circulation system, wherein the culture system comprises a high-pin-style culture tank, a porous barrier playing a supporting role, a porous material playing a filtration role, perlite and a cover plate with field planting holes; the high-pin-style culture tank, the porous barrier, the porous material, the perlite and the cover plate are sequentially arranged from bottom to top; the cover plate can totally cover the opening of the culture tank, and a cylindrical drainage opening extruded downward is arranged on the lower surface of the culture tank; the water circulation system comprises a main water supply pipe, a water supply branch pipe, a water supply capillary hose, a water return branch pipe and a main water return pipe. The soil-free culture system can save water and fertilizers, and is high in yield and efficiency, and thus the soil-free culture system is a closed zero-release ecological cultivation system.

Description

technical field [0001] The invention relates to the field of soilless cultivation devices, in particular to a closed ecological tank soilless cultivation system and an operation method. Background technique [0002] Soilless cultivation can produce vegetables on non-arable lands such as saline-alkali land, Gobi, and deserts that cannot be used by traditional agriculture. At the same time, soilless cultivation is also an effective method to solve the obstacles of continuous cropping of facility vegetables. Therefore, the development of soilless cultivation technology is an important way to achieve high yield, high quality and high efficiency of vegetables, and it is also a new cultivation method for vegetable production to transform from traditional agricultural production to modernization, scale and intensification. Establish a soilless cultivation technology system suitable for my country's national conditions, which is environmentally friendly and easy to operate, so as to...

Claims

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Application Information

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IPC IPC(8): A01G31/02A01G31/00
CPCY02P60/21
Inventor 刘明池武占会季延海于平彬齐艳花李耀龙齐敬伟
Owner 北京市农林科学院蔬菜研究中心
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